GHK Cu Copper Peptide Neck & Face Serum Most people think skincare works at the surface level. But healthy skin function starts much deeper than a temporary glow. GHK Cu is a naturally occurring copper binding tripeptide that is already found GHK Cu peptide = one of the most powerful ingredients for skin regeneration , It helps improve elasticity, smooth fine lines, and boost that natural glow., Once you start theres no going back , High Quality Ghk Cu Facial Whitening Serum for All Skin Types